CBM Calculator
Calculate cubic meters and cubic feet for freight, cartons, pallets and shipping volume.
Fast, private online tools for work and everyday calculations.
Use free browser-based calculators and converters for logistics, developers, e-commerce, design and text processing.
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244 tools found
Loading Meter Calculator
Estimate loading meters from pallet floor area and truck width.
Chargeable Weight Calculator
Compare actual and volumetric weight for air freight, road freight and courier shipments.
Pallet Calculator
Calculate total floor area for Euro, standard or custom pallets.
Unit Converter
Convert length, weight and volume units in the browser.
Color Picker
Pick a color and copy HEX, RGB and HSL values.
Contrast Checker
Check foreground and background colors against WCAG contrast rules.
Word Counter
Count words, characters, sentences, paragraphs and estimated reading time privately.
Epoch Converter
Convert Unix timestamps to dates and current date/time to Unix timestamps.
SKU Generator
Generate clean uppercase product SKUs from brand, category, product, color and size.
FTL / LTL Calculator
Estimate whether a shipment is better suited for full truckload or LTL groupage transport.
Truck Capacity Calculator
Match pallets, weight, loading meters and volume to a suitable truck type.
Trailer Type Selector
Choose a likely trailer type based on temperature, loading method and cargo profile.
Sea Container Calculator
Check whether cargo may fit a 20 ft, 40 ft or 40 ft HC container.
20 ft vs 40 ft Container Comparison
Compare 20 ft, 40 ft and 40 ft HC container capacity, payload and use cases.
Demurrage & Detention Calculator
Estimate container delay fees after free days expire.
Warehouse Storage Fee Calculator
Estimate warehouse storage and handling cost by pallet, day and rate.
Cross-docking Price Calculator
Estimate the cost of transshipment without long-term storage.
Pick & Pack Calculator
Estimate order handling cost from orders, items and packaging.
Courier Cost Comparison Calculator
Compare simple courier cost scenarios by weight, zone and volume.
ADR / Dangerous Goods Checker
Screen whether goods may fall under ADR dangerous goods rules.
ADR Class Finder
Find possible ADR class matches by common description or UN number.
Temperature Regime Calculator
Choose ambient, chilled, frozen or controlled temperature transport.
Refrigerated Transport Calculator
Estimate refrigerated transport cost from distance, rate and temperature.
Business Days & Holidays Calculator
Estimate delivery date while skipping weekends and custom holidays.
Cut-off Time Calculator
Check whether an order can still ship today or moves to the next working day.
Driver ETA Calculator
Estimate arrival time from distance, speed, breaks and border waiting.
Fuel Cost Calculator
Calculate fuel liters and cost from kilometers, consumption and fuel price.
Toll Fee Calculator
Estimate road tolls using tolled kilometers, €/km and vehicle multiplier.
Trip Cost Calculator
Combine fuel, toll, wages, fixed cost and empty mileage into one trip estimate.
Empty Mileage Calculator
Estimate cost exposure from empty or partially paid return kilometers.
Multi-stop Route Planning Helper
Structure delivery stops before checking real distances in a map or TMS.
Last-mile Delivery Calculator
Estimate last-mile cost from addresses, kilometers, service time and vehicle cost.
Transport Request Generator
Generate a structured transport request to send to a forwarder or carrier.
Character Counter
Count characters, spaces, words, lines and check custom text length limits locally.
AI Token Counter
Estimate AI token usage, prompt cost, completion cost and context window usage without external APIs.
Reading Time Calculator
Estimate reading and speaking duration from word count and custom WPM settings.
Sentence Counter
Count sentences and analyze shortest, longest and long sentence patterns.
Paragraph Counter
Analyze paragraph count, empty lines and average words per paragraph.
Case Converter
Convert text to uppercase, lowercase, title case, sentence case, kebab-case, snake_case, camelCase and PascalCase.
Slug Generator
Generate SEO-friendly URL slugs from titles or phrases with separator, stop-word and max-length options.
Text Cleaner
Clean messy pasted text by normalizing spaces, tabs, blank lines, smart quotes, dashes and invisible characters.
Duplicate Line Remover
Remove repeated lines with case, trim, empty-line, keep-first/last and sorting options.
Line Sorter
Sort or reorder lines alphabetically, numerically, by length, reverse order or random shuffle.
Find and Replace
Find and replace text with case-sensitive, regex, multiline and whole-word options.
Text Diff Checker
Compare two text blocks and summarize added, removed, changed and unchanged lines.
Markdown to HTML Converter
Convert Markdown headings, emphasis, links, quotes, lists, inline code and code blocks into HTML locally.
HTML to Text Converter
Convert HTML into readable plain text while removing scripts and styles.
JSON String Escaper / Unescaper
Escape or unescape strings for JSON usage, including quotes, backslashes, tabs and newlines.
Base64 Encoder / Decoder
Encode UTF-8 text to Base64 and decode Base64 back to plain text locally.
URL Encoder / Decoder
Encode or decode URLs, query parameters, symbols, spaces and Unicode text.
Lorem Ipsum Generator
Generate placeholder words, sentences or paragraphs locally with optional Lorem ipsum start.
Readability Checker
Estimate Flesch Reading Ease and Flesch-Kincaid Grade Level with local syllable estimation.
Length Converter
Convert millimeters, centimeters, meters, kilometers, inches, feet, yards, miles and nautical miles in your browser.
Weight / Mass Converter
Convert mg, g, kg, metric tons, ounces, pounds, stone, US short tons and imperial long tons.
Volume Converter
Convert liters, milliliters, cubic meters, cubic feet, US gallons, imperial gallons and more.
Area Converter
Convert square meters, square feet, acres, hectares and other common area units.
Temperature Converter
Convert Celsius, Fahrenheit and Kelvin with correct formula-based conversion.
Speed Converter
Convert m/s, km/h, mph, ft/s and knots for transport, aviation, maritime and logistics.
Time Converter
Convert milliseconds, seconds, minutes, hours, days, weeks, months and years.
Data Storage Converter
Convert bits, bytes, KB, MB, GB, TB, KiB, MiB, GiB and other storage units.
Data Transfer Rate Converter
Convert bps, Kbps, Mbps, Gbps, B/s, MB/s, KiB/s, MiB/s and more.
Fuel Consumption Converter
Convert L/100km, km/L, mpg US and mpg UK using correct reciprocal formulas.
Fuel Volume Converter
Convert liters, milliliters, cubic meters, US gallons, imperial gallons, US barrels and oil barrels.
Pressure Converter
Convert Pa, kPa, MPa, bar, millibar, psi, atm, torr and mmHg.
Power Converter
Convert watts, kilowatts, megawatts, mechanical horsepower and metric horsepower.
Energy Converter
Convert joules, kilojoules, megajoules, Wh, kWh, calories, kilocalories and BTU.
Force Converter
Convert newtons, kilonewtons, kilogram-force and pound-force.
Torque Converter
Convert newton meters, pound-foot, pound-inch and kilogram-force meter.
Angle Converter
Convert degrees, radians, gradians, turns, arcminutes and arcseconds.
Manual Currency Converter
Convert currency amounts using a manual exchange rate without fetching live rates.
Manual Crypto Converter
Convert crypto amounts to fiat values using a manual price or conversion rate.
Number Base Converter
Convert integers between binary, octal, decimal, hexadecimal and custom bases from 2 to 36.
Unix Timestamp Converter
Convert Unix timestamps to local, UTC and ISO dates, or convert dates to Unix seconds and milliseconds.
Date Format Converter
Convert a selected date to ISO 8601, YYYY-MM-DD, DD/MM/YYYY, MM/DD/YYYY, RFC 2822 and Unix timestamps.
Color Converter
Convert HEX colors to RGB, RGBA, HSL and HSLA formats locally.
HEX to RGB Converter
Convert HEX color values like #fff or #0F766E to RGB and RGBA.
RGB to HEX Converter
Convert RGB channel values to HEX color format with optional alpha.
CSV to JSON Converter
Convert CSV text into a JSON array locally with headers, delimiters, trimming and typed values.
JSON to CSV Converter
Convert a JSON array of objects to CSV with optional header row and delimiter.
JSON to YAML Converter
Convert JSON objects, arrays and values into readable YAML text locally.
YAML to JSON Converter
Convert simple YAML key-value text into pretty JSON locally.
PX to REM Converter
Convert pixels to rem units using a configurable base font size.
REM to Pixels Converter
Convert rem units to pixels using a configurable base font size.
Aspect Ratio Converter
Calculate width or height from an aspect ratio and simplify ratios.
Unit Price Converter
Compare price per kg, gram, liter, ml, item, meter or square meter.
VAT Converter
Add VAT, remove VAT and calculate VAT amount from configurable rates.
JSON Formatter
Format and beautify JSON with indentation, key sorting and compact mode.
JSON Minifier
Minify JSON by removing unnecessary whitespace after validation.
JSON Validator
Validate JSON and show parse errors or a formatted preview.
JSON Escape / Unescape
Escape and unescape strings for safe JSON string usage.
JSON Path Tester
Test simple JSONPath expressions against a JSON document locally.
JSON to TypeScript Interface
Generate TypeScript interfaces or types from JSON objects and arrays.
JSON to JavaScript Object
Convert strict JSON into JavaScript object literal style text.
JavaScript Object to JSON
Convert simple JavaScript-like object literals into strict JSON without eval.
HTML Entity Encoder / Decoder
Encode and decode HTML entities safely as text.
JWT Decoder
Decode JWT header and payload locally without verifying the signature.
JWT Expiration Checker
Check JWT expiration, issued-at and not-before values locally.
UUID Generator
Generate UUID v4 values locally using browser crypto.
UUID Validator
Validate UUID strings and detect UUID versions.
Hash Generator
Generate SHA-1, SHA-256, SHA-384 and SHA-512 hashes locally.
MD5 Generator
Generate legacy MD5-style checksums locally with clear non-secure labeling.
HMAC Generator
Generate HMAC signatures locally with Web Crypto.
Password Generator
Generate random passwords locally using browser crypto.
Random String Generator
Generate random strings for IDs, mock tokens and placeholders.
Lorem JSON Generator
Generate fake JSON records for testing.
Mock Data Generator
Generate local fake mock data in JSON, CSV or SQL insert text.
Regex Tester
Test JavaScript regular expressions against text locally.
Regex Escaper
Escape text so it can be used safely inside JavaScript RegExp.
Cron Expression Explainer
Explain standard 5-field cron expressions locally.
Cron Next Run Calculator
Preview upcoming cron run dates locally without scheduling jobs.
ISO Date Formatter
Inspect and format ISO/date values with browser date APIs.
URL Parser
Parse URLs into protocol, hostname, path, query, hash and params.
Query String Parser
Parse and inspect query strings and duplicate parameters.
UTM Builder
Build URLs with encoded UTM tracking parameters.
HTTP Status Code Reference
Search common HTTP status codes and developer explanations.
MIME Type Lookup
Look up common MIME types by extension or MIME string.
File Extension Lookup
Look up common file extensions, MIME types and descriptions.
HTML Formatter
Format HTML markup as text without executing scripts.
HTML Minifier
Minify HTML markup as text without fetching resources.
CSS Formatter
Format CSS code locally without fetching imports.
CSS Minifier
Minify CSS code locally without external processing.
JavaScript Formatter
Format JavaScript code as text without executing it.
JavaScript Minifier
Minify JavaScript text without evaluating code.
SQL Formatter
Format SQL query text without connecting to a database.
SQL Minifier
Minify SQL query text without execution.
XML Formatter
Format XML markup without resolving external entities.
XML Minifier
Minify XML markup as text.
YAML Formatter
Format YAML-like content locally.
YAML Validator
Validate simple YAML syntax locally and show errors.
Markdown Previewer
Generate sanitized Markdown preview HTML text locally.
Markdown Table Generator
Generate Markdown tables from columns and pasted rows.
Markdown Table Formatter
Format Markdown tables locally.
Open Graph Meta Tag Generator
Generate Open Graph meta tags as static HTML.
Twitter Card Generator
Generate Twitter/X card meta tags as static HTML.
Meta Tag Generator
Generate common SEO and HTML meta tags.
Robots.txt Generator
Generate basic robots.txt content locally.
Sitemap XML Generator
Generate sitemap XML from pasted URLs without crawling.
htaccess Redirect Generator
Generate Apache .htaccess redirect rules as text.
Nginx Redirect Generator
Generate Nginx redirect snippets as text.
Docker Run Command Generator
Generate docker run commands without executing Docker.
Docker Compose Generator
Generate simple docker-compose YAML without execution.
Environment Variable Formatter
Format .env content and detect duplicate keys locally.
ENV to JSON Converter
Convert .env key-value pairs into JSON locally.
JSON to ENV Converter
Convert flat JSON objects into .env text.
Gitignore Generator
Generate .gitignore templates from local static snippets.
License Generator
Generate common license templates locally.
README Template Generator
Generate a basic README.md template.
Changelog Generator
Generate Keep-a-Changelog style Markdown sections.
Semantic Version Comparator
Compare semantic versions locally.
Semantic Version Bumper
Calculate the next SemVer version for patch, minor or major bumps.
CORS Header Generator
Generate CORS header snippets and warnings.
CSP Header Generator
Generate basic Content Security Policy header strings.
Basic Auth Header Generator
Generate HTTP Basic Authorization headers locally.
Bearer Token Header Formatter
Format bearer tokens as Authorization headers locally.
cURL Command Builder
Build cURL commands as text without sending requests.
HTTP Request Builder
Generate raw HTTP request text without network calls.
API Error Code Mapper
Map common API and HTTP errors to likely causes and fixes.
Stack Trace Formatter
Format stack traces and extract file paths and line numbers locally.
Log Formatter
Clean and group logs locally without uploading them.
JSON Log Formatter
Format newline-delimited JSON logs and report invalid lines.
Regex Cheatsheet
Search a local JavaScript regex reference.
Git Command Cheatsheet
Search a local Git command reference without running Git.
Docker Command Cheatsheet
Search a local Docker command reference without running Docker.
Prompt Generator
Generate structured prompts from task type, topic, audience, tone, constraints and output format.
Prompt Improver
Improve rough prompts with rule-based structure, missing element detection and clearer requirements.
Prompt Autocomplete
Get local template-based prompt continuation suggestions while typing.
Prompt Template Library
Search a local library of ready-to-use AI prompt templates.
Table Prompt Generator
Generate prompts that ask AI tools to create clean tables with exact columns and rules.
Comparison Prompt Generator
Generate criteria-based comparison prompts with assumptions and final recommendations.
Summarization Prompt Generator
Generate fact-preserving summarization prompts for different audiences and formats.
Rewrite Prompt Generator
Generate rewrite prompts that preserve meaning while changing tone, length or format.
Email Prompt Generator
Generate prompts for writing emails with subject lines, context, tone and CTA.
SEO Prompt Generator
Generate SEO prompts for outlines, metadata, FAQs, briefs and page copy without keyword stuffing.
E-commerce Prompt Generator
Generate prompts for product descriptions, marketplace listings, ad copy and FAQs.
Logistics Prompt Generator
Generate logistics prompts for freight requests, carrier comparison, checklists and SOPs.
Coding Prompt Generator
Generate coding task prompts with environment, requirements, constraints and edge cases.
Debugging Prompt Generator
Generate debugging prompts with error, code, expected behavior, actual behavior and fixes.
Data Analysis Prompt Generator
Generate prompts for analyzing datasets, spreadsheets, KPIs and metrics.
Spreadsheet Prompt Generator
Generate prompts for Excel and Google Sheets formulas, cleanup and dashboards.
Research Prompt Generator
Generate structured research prompts with scope, sources, uncertainty and citations when available.
Business Plan Prompt Generator
Generate prompts for SWOT, go-to-market, pricing, risk analysis and business planning.
Social Media Prompt Generator
Generate platform-specific social media prompts for posts, hooks, calendars and scripts.
Image Prompt Generator
Generate model-agnostic image generation prompts with subject, scene, style and negative prompts.
Logo Prompt Generator
Generate logo and icon prompts with scalability, usage and negative instructions.
Prompt Checklist
Check whether a prompt includes clear task, context, role, constraints, format and criteria.
Prompt Scorer
Score prompt clarity and completeness with deterministic explainable rules.
Prompt Length Checker
Count prompt words, characters and estimated tokens locally.
Prompt Variable Replacer
Fill prompt templates by replacing square-bracket variables with local values.
Prompt Template Builder
Create reusable prompt templates with variables, constraints and output format.
Prompt to JSON Schema
Generate JSON Schema and matching structured-output prompt instructions.
JSON Output Prompt Builder
Generate prompts that require valid JSON output with schema-style fields.
Markdown Output Prompt Builder
Generate prompts for clean Markdown output with sections, headings and tables.
CSV Output Prompt Builder
Generate prompts for CSV output with exact headers and escaping rules.
System Prompt Builder
Build structured system prompts with role, behavior, limits, tone and output rules.
Custom GPT Instruction Builder
Generate durable custom instructions for GPT-style assistants.
AI Agent Instruction Builder
Generate AI agent instruction briefs with objectives, constraints and acceptance criteria.
AI Coding Agent Task Generator
Generate precise implementation tasks for coding agents.
Prompt Pack Generator
Generate related prompt packs for multi-step workflows.
Prompt Chaining Builder
Create prompt chains where each step feeds the next.
AI Role Prompt Generator
Generate professional act-as role prompts without impersonating real people.
AI Persona Builder
Generate persona prompts with audience, tone, expertise and boundaries.
Prompt Negative Instruction Generator
Generate avoid-doing-this constraint blocks for stricter prompts.
Prompt Constraints Generator
Generate constraint sections for tone, length, format, citations and assumptions.
Prompt Examples Generator
Generate few-shot example blocks from user-provided examples or placeholders.
Few-Shot Prompt Builder
Build prompts with examples, labels and final input.
Prompt Translator
Localize common prompt instruction phrases between English and Bulgarian using templates.
Prompt Language Polisher
Clean prompt wording with rule-based transformations while preserving intent.
Prompt Deduplicator
Remove repeated prompt instructions while preserving order.
Prompt Format Converter
Convert prompts into Markdown, XML-style, JSON or other structural formats.
XML Prompt Wrapper
Wrap task, context, examples and output format in XML-style tags.
Prompt Section Splitter
Split long prompts into task, context, constraints, output and examples sections.
Prompt Risk Checker
Detect prompt issues that can cause vague or unsupported AI outputs.
Prompt Conflict Detector
Detect contradictory prompt instructions using known conflict patterns.
Prompt Output Format Checker
Check whether a prompt clearly defines the desired output format.
Prompt Token Budget Planner
Estimate prompt/context/output token budget with local characters divided by four.
Prompt Splitter
Split long prompts or text into chunks with estimated tokens.
Prompt Compression Helper
Shorten prompts with rule-based filler removal and deduplication.
Prompt Version Comparator
Compare prompt versions by length, estimated tokens, added and removed words.
Prompt A/B Test Planner
Generate a plan for comparing prompt variants with rubrics and examples.
AI Response Evaluator Template Generator
Generate rubrics for evaluating AI responses.
AI Hallucination Reduction Prompt Builder
Generate instruction blocks that reduce unsupported AI claims.
AI Citation Prompt Builder
Generate citation instructions for AI tools with browsing or source access.
AI Safety Disclaimer Generator
Generate short disclaimer blocks for sensitive domains.
Prompt Library for Tables
Browse ready prompts for comparison tables, trackers, timelines and matrices.
Prompt Library for JSON Output
Browse ready prompts for extracting and returning valid JSON.
Prompt Library for Coding
Browse ready coding prompts for generation, refactoring, debugging and tests.
Prompt Library for SEO
Browse ready prompts for SEO outlines, metadata, FAQs and content briefs.
Prompt Library for E-commerce
Browse ready prompts for e-commerce listings, product copy and support replies.
Prompt Library for Logistics
Browse ready logistics prompts for freight, warehouse, delivery and shipment workflows.
Prompt Library for Customer Support
Browse ready prompts for customer replies, refunds, delays and escalations.
AI Meeting Notes Prompt Generator
Generate prompts for structured meeting summaries, decisions and action items.
AI SOP Prompt Generator
Generate prompts for standard operating procedures with roles and checks.
AI Checklist Prompt Generator
Generate prompts for actionable grouped checklists.
AI Decision Matrix Prompt Generator
Generate weighted decision matrix prompts with assumptions and recommendation.
AI SWOT Prompt Generator
Generate SWOT analysis prompts with risks and next actions.
AI Content Calendar Prompt Generator
Generate prompts for content calendars with topics, hooks and CTAs.
AI Rubric Generator
Generate rubric prompts for evaluating work, content or responses.
AI Interview Question Prompt Generator
Generate interview question prompts with rubrics and safe constraints.
AI Learning Prompt Generator
Generate learning prompts for roadmaps, tutoring, quizzes and exercises.
AI Flashcard Prompt Generator
Generate prompts for concise flashcards in Markdown, CSV, Anki or JSON formats.
AI Quiz Prompt Generator
Generate quiz prompts with question types, answer key and explanations.
AI Translation Prompt Generator
Generate translation prompts that preserve meaning, formatting and localization rules.
AI Tone Changer Prompt Generator
Generate tone transformation prompts that preserve facts and avoid unsupported claims.
Featured logistics tools
CBM Calculator
Calculate cubic meters and cubic feet for freight, cartons, pallets and shipping volume.
Loading Meter Calculator
Estimate loading meters from pallet floor area and truck width.
Chargeable Weight Calculator
Compare actual and volumetric weight for air freight, road freight and courier shipments.
Pallet Calculator
Calculate total floor area for Euro, standard or custom pallets.
Categories
Logistics Tools
Free browser-based calculators for freight volume, loading meters, pallets, chargeable weight and shipping operations.
Converters
Fast unit converters for length, weight, volume and everyday calculations.
Developer Tools
Browser-based utilities for timestamps and developer workflows.
AI Tools
Browser-only prompt generators, prompt checkers, AI workflow templates and structured output builders.
Text Tools
Private text processing utilities, including word and character counts.
Design Tools
Accessible color utilities for palettes, previews and WCAG contrast checks.
E-commerce Tools
Simple utilities for product operations, identifiers and online store workflows.
Privacy-first
Most tools run locally in your browser. The MVP uses no accounts, no database and no file uploads.
Accessibility-first
Pages use semantic HTML, labels, keyboard-friendly controls, visible focus states and live result regions.